<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>欢迎邮件</title>
    <style>
        body {
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 600px;
            margin: 0 auto;
            padding: 20px;
        }
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            border-radius: 10px 10px 0 0;
            text-align: center;
        }
        .content {
            background: #f9f9f9;
            padding: 30px;
            border-radius: 0 0 10px 10px;
        }
        .button {
            display: inline-block;
            padding: 12px 30px;
            background: #667eea;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            margin: 20px 0;
        }
        .footer {
            text-align: center;
            color: #999;
            font-size: 12px;
            margin-top: 30px;
        }
    </style>
</head>
<body>
    <div class="header">
        <h1>欢迎使用我们的服务!</h1>
    </div>
    <div class="content">
        <p>您好 <strong>{{username}}</strong>,</p>

        <p>感谢您注册我们的服务。您的账号已成功创建。</p>

        <p>账号信息:</p>
        <ul>
            <li>用户名: {{username}}</li>
            <li>注册时间: {{register_time}}</li>
        </ul>

        <a href="{{activation_link}}" class="button">激活账号</a>

        <p>如果您没有注册此账号,请忽略此邮件。</p>
    </div>
    <div class="footer">
        <p>此邮件由系统自动发送,请勿回复。</p>
        <p>&copy; 2025 Email Report System</p>
    </div>
</body>
</html>
